Finding the Fourth Proportional to 67,841.69, 101,767.40 and 17,921.30

Step by Step Solution

1. Step 1: Write the proportion equation
   67,841.69 : 101,767.40 = 17,921.30 : x
2. Step 2: Convert to fraction form
   67,841.69/101,767.40 = 17,921.30/x
3. Step 3: Cross multiply
   67,841.69x = 101,767.40 × 17,921.30
4. Step 4: Simplify right side
   67,841.69x = 1,823,803,507.18
5. Step 5: Solve for x
   x = 1,823,803,507.18/67,841.69
6. Step 6: Final answer
   x = 26,883.23